/**
  * {@inheritdoc}
  */
 public function insert($element, $siblingName = 0, $after = true, $alias = '')
 {
     $pluginInfo = $this->pluginList->getNext($this->subjectType, 'insert');
     if (!$pluginInfo) {
         return parent::insert($element, $siblingName, $after, $alias);
     } else {
         return $this->___callPlugins('insert', func_get_args(), $pluginInfo);
     }
 }